// ============================================================================
//
// Copyright (C) 2006-2012 Talend Inc. - www.talend.com
//
// This source code is available under agreement available at
// %InstallDIR%\features\org.talend.rcp.branding.%PRODUCTNAME%\%PRODUCTNAME%license.txt
//
// You should have received a copy of the agreement
// along with this program; if not, write to Talend SA
// 9 rue Pages 92150 Suresnes, France
//
// ============================================================================
package org.talend.designer.core.ui.editor.properties.controllers;
import java.beans.PropertyChangeEvent;
import java.io.File;
import java.lang.reflect.Method;
import java.net.URL;
import java.net.URLClassLoader;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IWorkspaceRoot;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CLabel;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.layout.FormAttachment;
import org.eclipse.swt.layout.FormData;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.ui.views.properties.tabbed.ITabbedPropertyConstants;
import org.talend.commons.ui.runtime.exception.MessageBoxExceptionHandler;
import org.talend.commons.ui.runtime.image.ImageProvider;
import org.talend.commons.utils.generation.JavaUtils;
import org.talend.core.CorePlugin;
import org.talend.core.GlobalServiceRegister;
import org.talend.core.ILibraryManagerService;
import org.talend.core.model.process.ElementParameterParser;
import org.talend.core.model.process.IElementParameter;
import org.talend.core.properties.tab.IDynamicProperty;
import org.talend.designer.core.model.components.ElementParameter;
import org.talend.designer.core.ui.editor.nodes.Node;
/**
* DOC nrousseau class global comment. Detailled comment
*/
public class JavaCommandController extends AbstractElementPropertySectionController {
private static final String JAVA_COMMAND = "JAVA_COMMAND"; //$NON-NLS-1$
/**
* DOC nrousseau JavaCommandController constructor comment.
*
* @param dp
*/
public JavaCommandController(IDynamicProperty dp) {
super(dp);
}
/*
* (non-Javadoc)
*
* @see
* org.talend.designer.core.ui.editor.properties.controllers.AbstractElementPropertySectionController#createControl
* (org.eclipse.swt.widgets.Composite, org.talend.core.model.process.IElementParameter, int, int, int,
* org.eclipse.swt.widgets.Control)
*/
@Override
public Control createControl(Composite subComposite, final IElementParameter param, int numInRow, int nbInRow, int top,
Control lastControl) {
Button btnEdit;
btnEdit = getWidgetFactory().createButton(subComposite, "", SWT.PUSH); //$NON-NLS-1$
btnEdit.setImage(ImageProvider.getImage(CorePlugin.getImageDescriptor(DOTS_BUTTON)));
FormData data;
btnEdit.setData(NAME, JAVA_COMMAND);
btnEdit.setData(PARAMETER_NAME, param.getName());
btnEdit.addSelectionListener(new SelectionListener() {
public void widgetDefaultSelected(SelectionEvent e) {
}
public void widgetSelected(SelectionEvent e) {
// execute Java Command
ElementParameter fullParam = (ElementParameter) param;
File jar;
URL url;
try {
List<URL> listURL = new ArrayList<URL>();
ILibraryManagerService libManager = (ILibraryManagerService) GlobalServiceRegister.getDefault().getService(
ILibraryManagerService.class);
for (String jarString : fullParam.getJar().split(";")) {
IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
IProject prj = root.getProject(JavaUtils.JAVA_PROJECT_NAME);
IJavaProject project = JavaCore.create(prj);
IPath libPath = project.getResource().getLocation().append(JavaUtils.JAVA_LIB_DIRECTORY);
libManager.retrieve(jarString, libPath.toPortableString(), new NullProgressMonitor());
jar = libPath.append(jarString).toFile();
url = jar.toURL();
listURL.add(url);
}
URLClassLoader urlClassLoader = new URLClassLoader(listURL.toArray(new URL[0]));
Class<?> classLoaded = Class.forName(fullParam.getJavaClass(), true, urlClassLoader);
Object object = classLoaded.newInstance();
List<String> args = new ArrayList<String>();
for (String arg : fullParam.getArgs()) {
args.add(ElementParameterParser.parse((Node) elem, arg));
}
for (Method method : classLoaded.getDeclaredMethods()) {
if (method.getName().equals(fullParam.getJavaFunction())) {
Object arglist[] = new Object[1];
arglist[0] = args.toArray(new String[0]);
method.invoke(object, arglist);
}
}
} catch (Exception e1) {
MessageBoxExceptionHandler.process(e1);
}
}
});
if (elem instanceof Node) {
btnEdit.setToolTipText(VARIABLE_TOOLTIP + param.getVariableName());
}
CLabel labelLabel = getWidgetFactory().createCLabel(subComposite, param.getDisplayName()); //$NON-NLS-1$
data = new FormData();
if (lastControl != null) {
data.left = new FormAttachment(lastControl, 0);
} else {
data.left = new FormAttachment((((numInRow - 1) * MAX_PERCENT) / nbInRow), 0);
}
data.top = new FormAttachment(0, top);
labelLabel.setLayoutData(data);
if (numInRow != 1) {
labelLabel.setAlignment(SWT.RIGHT);
}
// **************************
data = new FormData();
int currentLabelWidth = STANDARD_LABEL_WIDTH;
GC gc = new GC(labelLabel);
Point labelSize = gc.stringExtent(param.getDisplayName());
gc.dispose();
if ((labelSize.x + ITabbedPropertyConstants.HSPACE) > currentLabelWidth) {
currentLabelWidth = labelSize.x + ITabbedPropertyConstants.HSPACE;
}
if (numInRow == 1) {
if (lastControl != null) {
data.left = new FormAttachment(lastControl, currentLabelWidth);
data.right = new FormAttachment(lastControl, currentLabelWidth + STANDARD_BUTTON_WIDTH);
} else {
data.left = new FormAttachment(0, currentLabelWidth);
data.right = new FormAttachment(0, currentLabelWidth + STANDARD_BUTTON_WIDTH);
}
} else {
data.left = new FormAttachment(labelLabel, 0, SWT.RIGHT);
data.right = new FormAttachment(labelLabel, STANDARD_BUTTON_WIDTH, SWT.RIGHT);
}
data.top = new FormAttachment(0, top);
btnEdit.setLayoutData(data);
// **************************
hashCurControls.put(param.getName(), btnEdit);
Point initialSize = btnEdit.computeSize(SWT.DEFAULT, SWT.DEFAULT);
dynamicProperty.setCurRowSize(initialSize.y + ITabbedPropertyConstants.VSPACE);
return btnEdit;
}
/*
* (non-Javadoc)
*
* @see
* org.talend.designer.core.ui.editor.properties.controllers.AbstractElementPropertySectionController#estimateRowSize
* (org.eclipse.swt.widgets.Composite, org.talend.core.model.process.IElementParameter)
*/
@Override
public int estimateRowSize(Composite subComposite, IElementParameter param) {
Button btnEdit = getWidgetFactory().createButton(subComposite, "", SWT.PUSH); //$NON-NLS-1$
btnEdit.setImage(ImageProvider.getImage(CorePlugin.getImageDescriptor(DOTS_BUTTON)));
Point initialSize = btnEdit.computeSize(SWT.DEFAULT, SWT.DEFAULT);
btnEdit.dispose();
return initialSize.y + ITabbedPropertyConstants.VSPACE;
}
/*
* (non-Javadoc)
*
* @see
* org.talend.designer.core.ui.editor.properties.controllers.AbstractElementPropertySectionController#refresh(org
* .talend.core.model.process.IElementParameter, boolean)
*/
@Override
public void refresh(IElementParameter param, boolean check) {
// TODO Auto-generated method stub
}
/*
* (non-Javadoc)
*
* @see java.beans.PropertyChangeListener#propertyChange(java.beans.PropertyChangeEvent)
*/
public void propertyChange(PropertyChangeEvent arg0) {
}
}